docs: def international_str(self, name, sdmxobj):
          '''
          return DictLike of xml:lang attributes. If node has no attributes,
          assume that language is 'en'.
          '''
          # Get language tokens like 'en', 'fr'...
          elem_attrib = self._paths['int_str_names'](sdmxobj._elem, name=name)
          values = self._paths['int_str_values'](sdmxobj._elem, name=name)
          # Unilingual strings have no attributes. Assume 'en' instead.
          if not elem_attrib:
              elem_attrib = ['en']
          return DictLike(zip(elem_attrib, values))